Peristera (Greek: Περιστέρα, feminine form of pigeon), also Aspro, locally Xero (meaning dry), Eudemia in antiquity,[1] is a Greek island in the Sporades, in the Aegean Sea.

It is administratively part of the municipality of Alonnisos and is also directly east of the namesake island.

As of 2011[update], the resident population of the island was 30.

[2] Peristera is in Zone B of the Alonnisos Marine Park.

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